Centretown Observatory:

Baro. Pressure + Rel. Humidity

Times in Eastern Daylight Time (EDT = GMT-4)

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   LIVE OBSERVATIONS at CTO Weather Centre - Monday, October 27, 2025 at 09:04 EDT
   TODAY:

   Monday

   Reading

   Time

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Current Barometric Pressure:

               

   Maximum Today:

08:29     2022      

   Minimum:

01:04           2019

   Mean:

  2022 2017
 

   Current Relative Humidity:

77 %   87 %                

   Maximum Today:

88 % 08:04 92 %     96 % 2018      

   Minimum:

77 % 01:04 85 %           39 % 2022

   Mean:

82 %   88 % 69 % 76 % 2012 52 % 2022
 

   YESTERDAY:

   Sunday

   Reading

   Time

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Maximum Barometric Pressure:

09:39   2015      

   Minimum:

01:04           2022

   Mean:

   mb 2025 2014
 

   Maximum Relative Humidity:

83 % 08:59 93 %     94 % 2017      

   Minimum:

54 % 16:29 60 %           38 % 2024

   Mean:

68 %   76 % 60 % 84 % 2021 42 % 2016
 

   TOMORROW:

   Tuesday

         

   Normal

   RecHi

   YY

   RecLo

   YY

   Barometric Pressure:

              2022 2017

   Daily Mean BP:

           mb 2022 2017
 

   Relative Humidity:

              97 % 2016 20 % 2024

   Daily Mean RH:

          79 % 94 % 2016 40 % 2024
 

   THIS MONTH:

   Oct Means + Records

   Mean

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Monthly Mean BP:

 mb 2017 2014
 

   Monthly Mean RH:

62 % 68 % % 74 % 2021 56 % 2019
 

   Daily Extremes + Records

   Max

   DD

   Min

   DD

   RecHi

   YY-DD

   RecLo

   YY-DD

   Barometric Pressure:

09 19 2022-29 2022-06

   Daily Mean BP:

09 22 2022-29 2022-06
 

   Relative Humidity:

97 % 07 14 % 24 99 % 2019-19 0 % 2019-02

   Daily Mean RH:

83 % 22 48 % 01 94 % 2016-21 33 % 2019-05
 

   LAST MONTH:

   Sep Means + Records

   Mean

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Mean Barometric Pressure:

 mb 2018 2017
 

   Mean Relative Humidity:

62 % 69 % 64 % 74 % 2018 58 % 2023
 

   Daily Extremes + Records

   Max

   DD

   Min

   DD

   RecHi

   YY-DD

   RecLo

   YY-DD

   Barometric Pressure:

20 04 2020-21 2022-25

   Daily Mean BP:

20 04 2020-20 2017-27
 

   Relative Humidity:

99 % 23 22 % 20 99 % 2025-23 0 % 2019-27

   Daily Mean RH:

84 % 25 43 % 30 89 % 2022-20 12 % 2016-27
 

   NEXT MONTH:

   November Monthly Records

     Normal

   RecHi

   YY

   RecLo

   YY

   Mean Barometric Pressure:

   mb 2012 2014
 

   Mean Relative Humidity:

  61 % 76 % 2018 37 % 2013
 

   November Daily Records

 

   RecHi

   YY-DD

   RecLo

   YY-DD

   Barometric Pressure:

  2022-07 2022-20

   Daily Mean BP:

  2022-07 2022-18
 

   Relative Humidity:

  100 % 2024-05 1 % 2018-16

   Daily Mean RH:

  93 % 2017-02 10 % 2013-28
 

   THIS YEAR:

   2025 Means + Records

   Mean

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Annual Mean BP:

 mb 2013 2012
 

   Annual Mean RH:

65 % 69 % 61 % 70 % 2018 54 % 2013
 

   Monthly Extremes + Records

   Max

   MM

   Min

   MM

   RecHi

   YY-MM

   RecLo

   YY-MM

   Monthly Mean BP:

Aug Mar 2023-May 2018-Jul
 

   Monthly Mean RH:

73 % Jan 59 % Aug 83 % 2023-Jan 22 % 2017-Apr
 

   Daily Extremes + Records

   Max

   MM-DD

   Min

   MM-DD

   RecHi

   Date

   RecLo

   Date

   Barometric Pressure:

Feb-02 Mar-06 2023-05-26 2021-08-10

   Daily Mean BP:

Feb-02 Mar-06 2023-05-26 2021-08-10
 

   Relative Humidity:

99 % Mar-04 14 % Oct-24 100 % 2021-06-13 0 % 2019-06-16

   Daily Mean RH:

92 % Mar-05 38 % May-11 100 % 2022-12-31 1 % 2017-03-27
 

   LAST YEAR:

   2024 Means

   Mean

   Airport

   Normal

   Annual Mean BP:

 mb
 

   Annual Mean RH:

68 % 77 % 61 %

   Monthly Extremes

   Max

   MM

   Min

   MM

   Monthly Mean BP:

Dec Jun
 

   Monthly Mean RH:

79 % Jan 58 % Mar

   Daily Extremes

   Max

   MM-DD

   Min

   MM-DD

   Barometric Pressure:

Dec-14 Jan-10

   Daily Mean BP:

Dec-14 Jan-10
 

   Relative Humidity:

100 % Jan-11 6 % Oct-20

   Daily Mean RH:

100 % Jan-27 31 % Apr-10
This page was last regenerated 2025-10-27@09:05.
It is sheduled to be regenerated whenever there are new data; approximately every five minutes.
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BP - Live - Today:
 

RH - Live - Today:
 

BP - Live - Past 24 Hours:
 

RH - Live - Past 24 Hours:
 

BP - Live - Yesterday:
 

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BP - Live - Past 7 Days:
 

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